KR101386129B1 - Electric boiler for late-night electricity - Google Patents

Abstract

An electric boiler using late-night electricity is disclosed. The electric boiler using late-night electricity comprises a thermal storage tank with an internal space; a partitioning part for partitioning the inside of the thermal storage tank into multiple heating spaces; multiple hot water tanks partitioned by the partitioning part and installed inside the thermal storage tank; a heating part for corresponding to each hot water tank to heat water stored in the hot water tanks; a supplying and transferring part connected to each hot water tank to transfer the heated water from the hot water tanks to the outside; and a recovering and transferring part connected to each hot water tank to transfer recovered water into the hot water tanks.

Description

Midnight Electric Boiler {ELECTRIC BOILER FOR LATE-NIGHT ELECTRICITY}

The present invention relates to a boiler, and more particularly, to a late-night electric boiler that can improve the thermal efficiency by varying the heating capacity of the boiler in accordance with the heating area.

In general, midnight electric boilers are used economically among various boilers used for heating such as oil boilers.

The late-night electric boiler is a boiler which heats the water inside a large heat storage tank using low-cost electricity at a late night time, and then saves the heating cost by using the hot water that has been stored if necessary.

However, since such midnight electric boilers are mostly produced in a capacity of 20 to 40 equilibrium, when a midnight electric boiler is used in one or two households, it is necessary to raise water or heat medium inside the heat storage tank to a certain temperature. It takes time and energy.

When the heating area is changed by using hot water of the midnight electric boiler, the heating capacity for heating water in the midnight electric boiler is fixed.

Therefore, when only a small area of heating is required, the heating cost is increased by heating and storing more than necessary hot water, the power supply shortage occurs due to the use of more power than necessary, there is also a problem of building a power plant.

And when a large area of heating is required, heating is not enough due to lack of heated hot water, the consumer's complaints are aggravated.

Background art of the present invention is disclosed in Korean Patent Laid-Open Publication No. 2008-0071711 (2008.08.05 publication, the name of the invention: midnight electric boiler with a heat exchanger).

In the late-night electric boiler, the heating capacity for heating the water by using the late-night electric electricity is fixed, so when the heating area for heating is varied, the electric energy is excessively consumed or the heating is not performed properly. Therefore, there is a need to improve this.

The present invention has been made by the necessity as described above, an object of the present invention is to provide a midnight electric boiler that can improve the thermal efficiency by varying the heating capacity of the boiler in accordance with the heating area.

The late-night electric boiler according to the present invention comprises: a heat storage tank having an inner space, a partition portion partitioning a plurality of heating spaces inside the heat storage tank, and hot water divided into partition portions and installed in a plurality of inside the heat storage tank. Installed in a number corresponding to the tank, the hot water tank and the heating portion for heating the water stored inside the hot water tank, connected to each hot water tank, the supply transfer portion for transferring the heated water of the hot water tank to the outside, connected to each hot water tank And it includes a recovery transfer unit for transferring the recovered water to the inside of the hot water tank.

In addition, the partition portion includes a plate-shaped first partition member installed in the vertical direction inside the heat storage tank, and a plate-shaped second partition member intersected with the first partition member and installed in the vertical direction inside the heat storage tank. It is preferable.

In addition, it is preferable that the first compartment member and the second compartment member intersect at a right angle.

The hot water tank may include a first tank installed vertically inside the heat storage tank, a second tank disposed to face the first tank with the first partition member therebetween, and a second partition member disposed therebetween. It is preferable to include a third tank installed facing the second tank, and a fourth tank installed facing the third tank with the first partition member therebetween.

The heating unit may include: a first heating member installed inside the first tank and heating water stored in the first tank, a second heating member installed inside the second tank and heating water stored in the second tank; It is preferable to include a third heating member installed inside the third tank and heating the water stored in the third tank, and a fourth heating member installed inside the fourth tank and heating the water stored in the fourth tank. .

The supply transfer part may include a first transfer pipe path connected to the first tank to transfer the heated water to the outside, a second transfer pipe path connected to the second tank to transfer the heated water to the outside, and a third tank. It is preferable to include a third transfer pipe path connected to transfer the heated water to the outside, and a fourth transfer pipe path connected to the fourth tank to transfer the heated water to the outside.

In addition, the supply transfer unit, the first transfer valve is installed in the first feed pipe to control the flow of water, the second feed valve is installed in the second feed pipe to control the flow of water, and the third feed pipe is installed in the It is preferable to include a third transfer valve for controlling the flow, and a fourth transfer valve is installed in the fourth transfer pipe to control the flow of water.

In addition, the recovery transfer unit, the first recovery pipe connected to the first tank and guides the recovered water to the inside of the first tank, and the second recovery pipe connected to the second tank and guides the recovered water to the inside of the second tank. And a third recovery pipe connected to the third tank to guide the recovered water to the inside of the third tank, and a fourth recovery pipe connected to the fourth tank to guide the recovered water to the inside of the fourth tank. It is preferable to include.

The recovery transfer part may include a first recovery valve installed in the first recovery pipe to control the flow of water, a second recovery valve installed in the second recovery pipe to control the flow of water, and a third recovery valve installed in the third recovery pipe. It is preferable that the third recovery valve for controlling the, and the fourth recovery valve is installed in the fourth recovery pipe to control the flow of water.

In the late night electric boiler according to the present invention, since the number of hot water tanks to be heated according to the heating capacity is set, the heating of the water exceeding the heating capacity is prevented to improve the thermal efficiency and reduce the electric bill.

1 is a perspective view schematically showing a late-night electric boiler according to an embodiment of the present invention.
Figure 2 is a side view schematically showing a late-night electric boiler according to an embodiment of the present invention.
3 is a plan view of a late-night electric boiler according to an embodiment of the present invention.
4 is a perspective view schematically showing a state in which a first tank according to an embodiment of the present invention is used.
5 is a perspective view schematically illustrating a state in which a first tank and a second tank are used according to an embodiment of the present invention.
6 is a perspective view schematically showing a state in which the first to third tanks are used according to an embodiment of the present invention.
7 is a perspective view schematically showing a state in which the first to fourth tanks are used according to an embodiment of the present invention.
8 is a block diagram of a midnight electric boiler according to an embodiment of the present invention.

Hereinafter, an embodiment of a midnight electric boiler according to the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.

Therefore, definitions of these terms should be made based on the contents throughout this specification.

1 is a perspective view schematically showing a midnight electric boiler according to an embodiment of the present invention, Figure 2 is a side view schematically showing a midnight electric boiler according to an embodiment of the present invention, Figure 3 is a view of the present invention 4 is a plan view of a midnight electric boiler according to an embodiment, and FIG. 4 is a perspective view schematically showing a state in which a first tank according to an embodiment of the present invention is used, and FIG. 7 is a perspective view schematically illustrating a state in which a first tank and a second tank are used, and FIG. 6 is a perspective view schematically illustrating a state in which first to third tanks are used according to an embodiment of the present invention. Is a perspective view schematically showing a state in which the first to fourth tanks are used according to an embodiment of the present invention, Figure 8 is a block diagram of a midnight electric boiler according to an embodiment of the present invention.

The late-night electric boiler 1 according to the present invention is useful for a general home life pattern which is active outside during the day and goes home to sleep in the evening.

Since family forms change from large to nuclear, most families are made up of two or one person, regardless of city or rural area.

Therefore, except for a holiday, a lot of families are gathered, so the operation of the hot water tank 30 installed in the heat storage tank 10 is different for each step, heating time can be shortened, and energy can be reduced.

As shown in Figure 1 to 8, the late-night electric boiler 1 according to an embodiment of the present invention, the heat storage tank 10 having an inner space, and a plurality of heating inside the heat storage tank (10). The partition 20 which partitions a space, the hot water tank 30 divided into the partition part 20, and installed in multiple numbers inside the heat storage tank 10, and installed in the number corresponding to the hot water tank 30 And a heating part 40 for heating the water stored in the hot water tank 30, a supply transfer part 50 connected to each hot water tank 30, and transferring the heated water of the hot water tank 30 to the outside; It is connected to each hot water tank 30 and includes a recovery transfer unit 70 for transferring the recovered water to the inside of the hot water tank (30).

The heat storage tank 10 in which the plurality of heating units 40 operated by the late-night electricity is provided inside is provided with an inner space for installing the hot water tank 30.

In the heat storage tank 10 according to an embodiment of the present invention, a cylindrical shape of a cylinder will be described as an example, but various shapes including a cube may be used as the shape of the heat storage tank 10.

In addition, since the outside of the heat storage tank 10 is thermally insulated in a double or multiple way using a heat insulating material, heat accumulated in the heat storage tank 10 is dissipated to the outside of the heat storage tank 10 to minimize heat loss. can do.

The pressure valve 94 is installed on the side of the heat storage tank 10, and adjusts the pressure of the heat storage tank 10 so that the pressure of the heat storage tank 10 can be maintained below a set value.

The safety valve 95 and the expansion tank 96 can prevent a safety accident caused by the internal pressure of the heat storage tank 10 becoming larger than the set pressure.

The safety valve 95 is positioned above the heat storage tank 10 and automatically discharges steam when the pressure inside the heat storage tank 10 rises above a set pressure to lower the pressure inside the heat storage tank 10.

The expansion tank 96 is installed above the heat storage tank 10 and absorbs volume expansion of water due to the temperature increase of the late-night electric boiler 1, or the water stored inside the heat storage tank 10 is larger than the set volume. Prevent swelling.

On the other hand, since the supply line 97 is connected to the upper side of the heat storage tank 10, the water supplied from the outside becomes a passage that is supplied to the inside of the heat storage tank 10.

Inside the heat storage tank 10, a partition 20 for partitioning a plurality of heating spaces is provided.

The partition portion 20 according to the exemplary embodiment includes a plate-shaped first partition member 22 installed in a vertical direction inside the heat storage tank 10, and a heat storage tank intersecting with the first partition member 22. 10) includes a plate-shaped second partition member 24 installed in the vertical direction.

Since the first compartment member 22 and the second compartment member 24 form a right angle and intersect in a “+” shape, the inner compartment of the heat storage tank 10 is divided into four portions.

In another embodiment of the present invention, the shape of the partition 20 and the number of spaces partitioned may be increased or decreased, and the number of hot water tanks 30 installed inside the partitioned space may be increased or decreased.

The plurality of hot water tanks 30 installed inside the heat storage tank 10 are partitioned from the adjacent hot water tank 30 by the partition 20 to have an independent inner space.

Hot water tank 30 according to an embodiment, the first tank 32 is installed in the vertical direction inside the heat storage tank 10, the first tank 32 with the first partition member 22 therebetween. A second tank 34 facing the second tank, a third tank 36 facing the second tank 34 with the second partition member 24 interposed therebetween, and the first partition member 22. It includes a fourth tank 38 which is installed facing the third tank (36) between.

The first to fourth tanks 32, 34, 36, and 38 installed inside the heat storage tank 10 are installed in the vertical direction.

The heating unit 40 installed inside the hot water tank 30 is installed in a number corresponding to the hot water tank 30 and is operated by a control signal of the controller 90.

The heating unit 40, a variety of heating devices may be used in the technical concept of heating the water stored in the plurality of hot water tank (30).

The heating unit 40 according to an embodiment includes a first heating member 42, a second heating member 44, a third heating member 46, and a fourth heating member 48.

The first heating member 42 is installed inside the first tank 32 and operated by a control signal of the controller 90 to heat the water stored in the first tank 32.

The second heating member 44 is installed inside the second tank 34 and operated by a control signal of the controller 90 to heat the water stored in the second tank 34.

The third heating member 46 is installed inside the third tank 36 and is operated by a control signal of the controller 90 to heat the water stored in the third tank 36.

The fourth heating member 48 is installed inside the fourth tank 38 and operated by a control signal of the controller 90 to heat the water stored in the fourth tank 38.

The supply transfer part 50 which transfers the heated water of the hot water tank 30 to the outside is connected to each hot water tank 30.

The supply transfer unit 50 according to an embodiment may be connected to the first tank 32 to transfer the heated water to the outside and the first transfer pipe 51 and the second tank 34 to be heated. It is connected to the second transfer pipe path 53 for transferring water to the outside, the third transfer pipe path 55 for transferring the heated water to the outside connected to the third tank 36, and the fourth tank 38 And a fourth transfer pipe passage 57 for transferring the heated water to the outside.

The first conveying pipe line 51, the second conveying pipe line 53, the third conveying pipe line 55 and the fourth conveying pipe line 57 are connected to the main conveying pipe line 60, and such a main conveying pipe line 60 ) Is provided with a pump member 62.

The first transfer valve 51 is provided with a first transfer valve 52 operated by a control signal of the controller 90, and the first transfer valve 52 is configured to move water along the first transfer pipe 51. To control the flow.

The second transfer valve 54 is also installed in the second transfer pipe line 53, which is operated by the control signal of the control unit 90, and the second transfer valve 54 is formed of water moving along the second transfer pipe path 53. To control the flow.

The third transfer valve 56 is also installed in the third transfer pipe path 55, which is operated by the control signal of the control unit 90, and the third transfer valve 56 is configured to move the water along the third transfer pipe path 55. To control the flow.

The fourth transfer valve 58 is installed in the fourth transfer pipe 57 and is operated by the control signal of the control unit 90. The fourth transfer valve 58 is formed of water moving along the fourth transfer pipe 57. To control the flow.

Water recovered from the target space to be heated is guided to the inside of the hot water tank 30 through the recovery transfer unit (70).

The recovery transfer unit 70 is connected to each hot water tank 30, the flow of water is controlled by the control signal of the controller 90.

The recovery transfer part 70 according to an embodiment includes a first recovery pipe line 71 and a second tank 34 connected to the first tank 32 to guide the recovered water to the inside of the first tank 32. The second recovery pipe 73 connected to the second tank 34 to the inside of the second tank 34, and the recovered water connected to the third tank 36 to the inside of the third tank 36. The third recovery pipe line 75 to guide, and the fourth recovery pipe line 77 connected to the fourth tank 38 and guide the recovered water to the inside of the fourth tank 38.

The first recovery pipe line 71, the second recovery pipe line 73, the third recovery pipe line 75, and the fourth recovery pipe line 77 are connected to the main recovery pipe line 80, and the main recovery pipe line 80 The pump member 62 is installed.

The first recovery valve 71 is provided with a first recovery valve 72 which is operated by a control signal of the control unit 90, and the first recovery valve 72 is provided with water of the water moving along the first recovery pipe 71. To control the flow.

The second recovery valve 74 is also installed in the second recovery pipe 73, which is operated by the control signal of the control unit 90, and the second recovery valve 74 is configured to move water along the second recovery pipe path 73. To control the flow.

The third recovery valve (76) is installed in the third recovery pipe (75), which is operated by the control signal of the control unit (90), and the third recovery valve (76) is used to move water along the third recovery pipe (75). To control the flow.

The fourth recovery valve (78) is also installed in the fourth recovery pipeline (77), which is operated by the control signal of the control unit (90). To control the flow.

The first recovery pipe line 71, the second recovery pipe line 73, the third recovery pipe line 75, and the fourth recovery pipe line 77 are connected to the main recovery pipe line 80.

The control unit 90 that controls the operation of the heating unit 40, the supply transfer unit 50, and the recovery transfer unit 70 includes a measurement value of the water level sensor 91, the water temperature sensor 92, and the overheat prevention sensor 93. Received.

The water level sensor 91, the water temperature sensor 92, and the overheat prevention sensor 93 are installed inside the hot water tank 30 and transmit a measurement value to the control unit 90.

The water level sensor 91, the water temperature sensor 92, and the overheat prevention sensor 93 may be installed inside the first to fourth tanks 32, 34, 36, and 38, respectively.

Hereinafter, with reference to the accompanying drawings will be described in detail the operating state of the late-night electric boiler 1 according to an embodiment of the present invention.

The control unit 90 determines whether the midnight electricity is supplied, and operates the midnight electric boiler 1 when the midnight electricity is supplied.

The control unit 90 operates the heating unit 40, the supply transfer unit 50, and the recovery transfer unit 70 according to the heating capacity.

When a user inputs a space requiring heating, an operation signal is transmitted to the controller 90.

The controller 90 sets the number of hot water tanks 30 in which the operation is performed based on the input signal.

For example, when heating one room having a small heating area, only the first tank 32 may be filled with water, and the first to fourth tanks 32, 34, 36, and 38 may be filled with water. Can be.

In this state, the first to fourth transfer valves 52, 54, 56 and 58 and the first to fourth recovery valves 72, 74, 76 and 78 are closed to block the movement of water.

When the midnight electricity is supplied, the midnight power switch of the control device is changed to the first stage, and heating of the water stored inside the first tank 32 is started.

The controller 90 operates only the first heating member 42 to heat only the water inside the first tank 32.

When the water stored inside the first tank 32 becomes higher than the set temperature, the first transfer valve 52 and the first recovery valve 72 are opened to operate the pump member 62.

Therefore, the heated water of the first tank 32 is moved to the heating target space through the first transfer pipe 51.

The water whose temperature is lowered through the heating target space is moved through the main recovery pipe line 80 and the first recovery pipe line 71 to be moved to the inside of the first tank 32.

In this manner, the first tank 32 and the second tank 34 can be operated simultaneously, and the first tank 32, the second tank 34 and the third tank 36 can be operated simultaneously. The first to fourth tanks 32, 34, 36, and 38 may be operated at the same time.

When the first tank 32 and the second tank 34 are operated at the same time, only the first tank 32 and the second tank 34 may be filled with water, and the first to fourth tanks 32, 34,36,38) can be filled with water.

In this state, the first to fourth transfer valves 52, 54, 56 and 58 and the first to fourth recovery valves 72, 74, 76 and 78 are closed to block the movement of water.

When the midnight electricity is supplied, the midnight power switch of the control device is changed to two stages, and heating of the water stored inside the first tank 32 and the second tank 34 is started.

The controller 90 operates only the first heating member 42 and the second heating member 44 to heat only the water inside the first tank 32 and the second tank 34.

When the water stored inside the first tank 32 and the second tank 34 becomes higher than the set temperature, the first transfer valve 52, the second transfer valve 54, and the first recovery valve 72 and The second recovery valve 74 is opened to operate the pump member 62.

Accordingly, the water of the heated first tank 32 and the second tank 34 is moved to the heating target space through the first transfer pipe 51 and the second transfer pipe 53.

Water passing through the heating target space and the temperature is lowered is moved through the main recovery pipe line 80, the first recovery pipe line 71 and the second recovery pipe line 73, the first tank 32 and the second tank 34 Is moved to the inside of.

Since the third tank 36 and the fourth tank 38 are also operated in this manner, detailed description thereof will be omitted.

According to the configuration as described above, since the number of the hot water tank 30 is heated according to the heating capacity of the late-night electric boiler 1 according to an embodiment, the heating of water exceeding the heating capacity is prevented to prevent thermal efficiency Improves electricity and saves electricity.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand.

Accordingly, the true scope of protection of the present invention should be defined by the claims.

1: midnight electric boiler 10: heat storage tank
20: partition 22: first partition member
24: second compartment member 30: hot water tank
32: first tank 34: second tank
36: third tank 38: fourth tank
40: heating part 42: first heating member
44: second heating member 46: third heating member
48: fourth heating member 50: feed transfer part
51: first feed pipe 52: first feed valve
53: second transfer pipe 54: second transfer valve
55: third transfer pipe 56: third transfer valve
57: 4th transfer pipe path 58: 4th transfer valve
60: main feed pipe 62: pump member
70: recovery and transfer unit 71: first recovery pipe
72: first recovery valve 73: second recovery pipe
74: second recovery valve 75: third recovery pipe
76: third recovery valve 77: fourth recovery pipe
78: fourth recovery valve 80: main recovery pipe
90: control unit 91: water level sensor
92: water temperature sensor 93: overheat prevention sensor
94: pressure valve 95: safety valve
96: expansion tank 97: supply line

Claims (10)

A heat storage tank having an inner space;
A partition unit partitioning a plurality of heating spaces inside the heat storage tank;
Hot water tank is divided by the partition, the plurality of hot water tank is installed inside the heat storage tank;
A heating unit installed in a number corresponding to the hot water tank and heating water stored inside the hot water tank;
A supply transfer unit connected to each hot water tank and transferring the heated water of the hot water tank to the outside; And
And a recovery transfer part connected to each hot water tank and transferring the recovered water to the inside of the hot water tank.
The partition portion includes a plate-shaped first partition member installed in the vertical direction inside the heat storage tank; And
And a plate-shaped second partition member intersecting the first compartment member and installed in a vertical direction inside the heat storage tank, wherein the first compartment member and the second compartment member intersect at a right angle. ,
The hot water tank, the first tank is installed in the vertical direction inside the heat storage tank;
A second tank facing the first tank with the first partition member interposed therebetween;
A third tank disposed to face the second tank with the second partition member interposed therebetween; And
And a fourth tank facing the third tank with the first partition member interposed therebetween,
The heating unit may include: a first heating member installed inside the first tank to heat water stored in the first tank;
A second heating member installed inside the second tank and heating water stored in the second tank;
A third heating member installed inside the third tank and heating water stored in the third tank; And
It is installed inside the fourth tank and includes a fourth heating member for heating the water stored in the fourth tank,
The supply transfer unit, the first transfer pipe path connected to the first tank for transferring the heated water to the outside;
A second transfer pipe path connected to the second tank to transfer heated water to the outside;
A third transfer pipe path connected to the third tank to transfer heated water to the outside; And
A fourth transfer pipe path connected to the fourth tank to transfer heated water to the outside;
The supply transfer unit, the first transfer valve is installed in the first transfer pipe to control the flow of water;
A second transfer valve installed in the second transfer pipe to control the flow of water;
A third transfer valve installed in the third transfer pipe to control the flow of water; And
A fourth transfer valve installed in the fourth transfer pipe to control the flow of water;
The recovery transfer unit, the first recovery pipe is connected to the first tank and guides the recovered water to the inside of the first tank;
A second recovery pipe line connected to the second tank and guiding the recovered water to the inside of the second tank;
A third recovery pipe line connected to the third tank and guiding the recovered water to the inside of the third tank; And
And a fourth recovery pipe connected to the fourth tank and guiding the recovered water to the inside of the fourth tank.
The recovery transfer unit, the first recovery valve is installed in the first recovery pipe to control the flow of water;
A second recovery valve installed in the second recovery pipe to control the flow of water;
A third recovery valve installed in the third recovery pipe to control the flow of water; And
It is installed in the fourth recovery pipe and includes a fourth recovery valve for controlling the flow of water,
A safety valve positioned above the heat storage tank and automatically discharging steam when the pressure inside the heat storage tank rises above a set pressure; And
It is installed on the upper side of the heat storage tank, further includes an expansion tank for absorbing the volume expansion of the water by the temperature rise,
The outside of the heat storage tank is a midnight electric boiler, characterized in that the heat treatment using a heat insulating material. delete delete delete delete delete delete delete delete delete

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